Molemo oa Sehlahisoa;
1)E ka ba motsoako le GALLFOFD fire & acoustic seal on fire & mosi mamati a BS EN1634-3.
2)Lenonyeletso le bonolo le pakeng tsa lintho tse bonolo le tse thata li matla haholo, ha ho bonolo ho taboha.
3)Ho tenyetseha ho hoholo le ho tiea ha lepheo le bonolo .
4)Moqapi o khethehileng o nang le lenonyeletso le bonolo la angle e nepahetseng.
5)Kenya mahlakore a mabeli ka thoko ka lebaka la manonyeletso a bonolo, etsa hore ts'ebetso e be bonolo, e potlake ebile e makhethe.
6)Ka tsela e iketsang ikamahanya le mamello ea lehlakoreng le letona ho foreime ea monyako.